AOJIE QLXD4-beta58 Professional Wireless Microphone System UHF Handheld Microphone Suitable for Large Concert Speech

SPECIFICATIONSUse: Stage Performance Wireless MicrophoneTransducer: Dynamic MicrophoneStyle: Handheld MicrophoneSet Type: Multi-Microphone KitsPolar Patterns: OmnidirectionalPackage: YesOrigin: Mainland ChinaModel Number: QLXD4Communication: WirelessCan the frequency of QLXD4's base and microphone be changed?: Yes, there are 100 options for adjustable frequencyBrand Name: AOJIEaudio Welcome to AOJIE Audio ShopQLXD4 Wireless Microphone Systemdescribe:1. Full Metal UHF Wireless Microphone System Dual Channel Adjustable Frequency - The wireless microphone connection distance is about 262 feet (80m), 100 channels of selectable frequencies. The distance is 150m. Signal stability / no delay / no radiation / anti-whistling / anti-interference / super clear sound quality.2. vo3rd mic jack3 3 singers can sing karaoke together. 1/4" input for additional wireless microphone. Individual volume controls for each wireless microphone.6. Multifunctional wireless microphone - for singing, Youtube, live, speech contest, conference, church, wedding officiant.Specification:Recipient:Receiving frequency: UHF 640-662MHzFrequency: 100 selectable channelsFrequency stability: <0.002%Sensitivity: 2/mvInterference frequency ratio: >90dbImage interference ratio: >88dbSignal-to-noise ratio: >95dbAudio output: 800mv-1.4vWorking range: standard condition 150mReceive channel: 1 channelPower consumption: 3wAntenna: Universal AntennaHandheld Transmitter:Carrier frequency: UHF 640-662MHzFrequency: 100 selectable channelsFrequency stability: <0.002%Transmission power: 10mwCurrent consumption: <25maHarmonic: < main wave 40dbDefault: Adjustable FrequencyPickup: omnidirectional, super pickupBattery: 1.5v battery (AA)